Gerhardt COD Analyzers

The COD determination system is controlled by a digital electronic temperature controller via PID to 1 K precision. The required heating up phase of the samples to around 148 °C is reached in less than 10 minutes.

Version A (Automatic)

With water condensers and motor-driven lifting device with insert racks for sample tubes and condensers. There is also the option of complete automation by using the TZ controller.


Version M (Manual)

With air condensers of 750 mm length.

Manual

  • Kjeldatherm digestion block KB made of aluminum with holes for COD tubes SMG.
  • Insert rack EB-M made of aluminum with two insulated handles.

Glass parts:

  • COD-sample tube SMG-M (250 ml), with NS 29.
  • COD-air condenser SML, 750 mm length, with NS 29.



Automatic

  • Kjeldatherm digestion block KB made of aluminum with holes for COD tubes SMG.
  • Insert rack EB-A made of aluminum with two insulated handles.
  • Two tier console EBL-C with built-in motor for the vertical movement of the samples and water condensers.
  • Insert rack EB-K for condenser fitting the two tier console.
  • EBL-C and the water condensers SMK with KS 40.
  • External controller TZ included

Glass parts:

  • COD-sample tubes SMG-A (250 ml), with KS 40.
  • COD-water condenser SMK, with KS 40.


CSB-Automatic

The insert rack is lowered and lifted by the built-in lift-motor in this version. For the fully automatic programming we include the temperature-time controller TZ.

700810 CSB 8 A CSB/COD-Digestion unit, complete with 8 COD-tubes 6816, 250 ml, KS 40,
external controller TZ included
702010 CSB 20 A CSB/COD-Digestion unit, complete with 20 COD-tubes 6816, 250ml, KS 40,
external controller TZ included


CSB-Manual

The insert rack is handled manually in this version. The system is delivered with air condensers.For all manual digestion systems we include the controller TR. For the fully automatic programming we recommend the temperature-time controller TZ.

700805 CSB 8 M CSB/COD-Digestion unit, complete with 8 COD-tubes 6715, 250 ml, NS 29,
external controller TR included
702005 CSB 20 M CSB/COD-Digestion unit, complete with 20 COD-tubes 6715, 250 ml, NS 29,
external controller TR included

 

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